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(No Model.) 7

E. N. DIGKERSON, Jr

WHEEL FOR ELEOTRO MAGNETIC LOCOMOTIVES. 7 No; 257,298. Patented May2,1882

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UNITED STATES PATENT OFFICE.

EDWARD N. DIGKERSON, JR., OF NEW YORK, N. Y.

WHEEL FOR ELECTRO-MAGNETIC LCCOMOTIVES.

SPECIFICATION forming part of Letters Patent No. 257,298, dated May 2,1882.

Application filed January 5, 1881. (No model.)

To all whom it may concern:

Be it known that I, EDWARD N.D10KER- SON, Jr., of the city, county, andState of New York,haveinvented a new and useful Improvement inWheels'for Electro-Magnetic Locomotives, of which the following is afull, true, and exact description, reference being had to theaccompanying drawing.

Locomotives have been operated by electromagnetism occasioned byelectric currents conveyed to them upon the rails upon which they run.Owing to the usual construction of such wheels, it has been found verydifficult to properly insulate the different parts of the mechanism fromthe rails and at'the same time to obtain a sufficiently durable andsatisfactory wheel.

My invention relates to the application to such apparatus of wheelscomposed in part or wholly of compressed paper, ordinarily known aspapier mach. Such wheels are well known in the art for the purpose ofdeadening the blow between the rail and the locomotive or car, and aresatisfactory and useful wheels.

In my apparatus, A represents generally an electromagnetic enginerunning upon rails It. The engine or locomotive is supported upon wheelsW W W, the bodies B of which are composed of paper, as shown. Thesewheels may consist of the outer tire, O, the compressionplates D, andthe insulating-body B. The electricity conveyed to the engine on therails R is taken from the wheels by springs S, bearing against theirsurfaces, and is thereby conveyed to the engine. In this way no especialapparatus for insulation is required, and a useful and Valuable wheel isemployed.

I do not claim broadly the idea of insulating an electromagneticlocomotive from the rails upon which it runs; but

I do claim as myinvention and desire to secure by Letters Patent- Thecombination of an electromagnetic engine or locomotive running uponrails, with paper wheels supporting such locomotive upon the rails, andprovided with a metallic couducting-tire and springs for conducting theelectricity from the track to the engine, while at the same time thecurrent is insulated from the main frame of the locomotive,substantially as described.

E. N. DIOKERSON, J-R.

. Vitnesses:

S. F. SULLIVAN, WM. A. PoLLooK.

